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BOSTON MARATHON 2023

Christopher Henn

Bib: 4939•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:52
Rank: #1788
Start → 5K
19:52 | 6:24/mi
10K· 6.21 mi
39:01
Rank: #1483 (+305)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
58:13
Rank: #1356 (+127)
10K → 15K
19:12 | 6:11/mi
20K· 12.43 mi
1:17:23
Rank: #1224 (+132)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:21:37
Rank: #1231 (-7)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:36:41
Rank: #1194 (+37)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:56:22
Rank: #1147 (+47)
25K → 30K
19:41 | 6:20/mi
20M
2:04:59
Rank: #1114 (+33)
30K → 20M
8:37 | 6:20/mi
21M
2:11:36
Rank: #1080 (+34)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:16:08
Rank: #1061 (+19)
21M → 35K
4:32 | 6:04/mi
23M
2:24:02
Rank: #1034 (+27)
35K → 23M
7:54 | 6:19/mi
24M
2:30:12
Rank: #1012 (+22)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:35:36
Rank: #993 (+19)
24M → 40K
5:24 | 6:19/mi
25.2M
2:37:54
Rank: #992 (+1)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:44:04
Rank: #969 (+23)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:37
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:22:27
Pace6:17 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3519:526:2419:52
6:24
-
10K
6.21 mi10:40:4439:016:1719:09
6:10
-0:14
15K
9.32 mi10:59:5658:136:1519:12
6:11
+0:01
20K
12.43 mi11:19:061:17:236:1419:10
6:10
-0:01
Half
13.11 mi11:23:201:21:376:144:14
6:12
+0:02
25K
15.53 mi11:38:241:36:416:1315:04
6:13
+0:01
30K
18.64 mi11:58:051:56:226:1519:41
6:20
+0:07
20M
20.00 mi12:06:422:04:596:158:37
6:20
0:00
21M
21.00 mi12:13:192:11:366:166:37
6:37
+0:17
35K
21.75 mi12:17:512:16:086:164:32
6:04
-0:33
23M
23.00 mi12:25:452:24:026:167:54
6:19
+0:15
24M
24.00 mi12:31:552:30:126:166:10
6:10
-0:09
40K
24.85 mi12:37:192:35:366:165:24
6:19
+0:09
25.2M
25.20 mi12:39:372:37:546:162:18
6:40
+0:21
Finish
26.22 mi12:45:472:44:046:166:10
6:03
-0:37

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:03 /mi

Average Pace

6:16 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:46

99% of race

Time at Steady Pace

2:18

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:3519:526:2419:52
6:24
#1788
10K
6.21 mi10:40:4439:016:1719:09
6:10
#1483
15K
9.32 mi10:59:5658:136:1519:12
6:11
#1356
20K
12.43 mi11:19:061:17:236:1419:10
6:10
#1224
Half
13.11 mi11:23:201:21:376:144:14
6:12
#1231
25K
15.53 mi11:38:241:36:416:1315:04
6:13
#1194
30K
18.64 mi11:58:051:56:226:1519:41
6:20
#1147
20M
20.00 mi12:06:422:04:596:158:37
6:20
#1114
21M
21.00 mi12:13:192:11:366:166:37
6:37
#1080
35K
21.75 mi12:17:512:16:086:164:32
6:04
#1061
23M
23.00 mi12:25:452:24:026:167:54
6:19
#1034
24M
24.00 mi12:31:552:30:126:166:10
6:10
#1012
40K
24.85 mi12:37:192:35:366:165:24
6:19
#993
25.2M
25.20 mi12:39:372:37:546:162:18
6:40
#992
Finish
26.22 mi12:45:472:44:046:166:10
6:03
#969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1788170417041176(Top 4%)1122(Top 7%)1122(Top 21%)
10K6.21 mi3.10 mi1483+3051414+2901414+2901212(Top 5%)1149(Top 8%)1149(Top 22%)
15K9.32 mi3.11 mi1356+1271292+1221292+1221176(Top 4%)1122(Top 7%)1122(Top 21%)
20K12.43 mi3.11 mi1224+1321166+1261166+126969(Top 4%)921(Top 6%)921(Top 17%)
Half13.11 mi0.68 mi1231-71173-71173-71348(Top 5%)1288(Top 8%)1288(Top 24%)
25K15.53 mi2.42 mi1194+371139+341139+341034(Top 4%)985(Top 6%)985(Top 19%)
30K18.64 mi3.11 mi1147+471094+451094+451011(Top 4%)960(Top 6%)960(Top 18%)
20M20.00 mi1.36 mi1114+331061+331061+33964(Top 4%)921(Top 6%)921(Top 17%)
21M21.00 mi1.00 mi1080+341027+341027+34903(Top 3%)857(Top 6%)857(Top 16%)
35K21.75 mi0.75 mi1061+191010+171010+17820(Top 3%)777(Top 5%)777(Top 15%)
23M23.00 mi1.25 mi1034+27983+27983+27857(Top 3%)813(Top 5%)813(Top 15%)
24M24.00 mi1.00 mi1012+22962+21962+21916(Top 3%)867(Top 6%)867(Top 16%)
40K24.85 mi0.85 mi993+19944+18944+18939(Top 4%)888(Top 6%)888(Top 17%)
25.2M25.20 mi0.35 mi992+1943+1943+1814(Top 3%)775(Top 5%)775(Top 15%)
Finish26.22 mi1.02 mi969+23921+22921+22854(Top 3%)818(Top 5%)818(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1176

Males

1122

M18-39

1122

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1212

Males

1149

M18-39

1149

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1176

Males

1122

M18-39

1122

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

969

Males

921

M18-39

921

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1348

Males

1288

M18-39

1288

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1034

Males

985

M18-39

985

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1011

Males

960

M18-39

960

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

964

Males

921

M18-39

921

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

903

Males

857

M18-39

857

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

820

Males

777

M18-39

777

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

857

Males

813

M18-39

813

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

916

Males

867

M18-39

867

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

939

Males

888

M18-39

888

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

814

Males

775

M18-39

775

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

854

Males

818

M18-39

818

Passing Analysis

Category:
Athletes Passed
914
Passed By
95
Net Change
+819
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1788
5K → 10K3149+305#1788#1483
10K → 15K1347+127#1483#1356
15K → 20K1342+132#1356#1224
20K → Half411-7#1224#1231
Half → 25K403+37#1231#1194
25K → 30K6518+47#1194#1147
30K → 20M418+33#1147#1114
20M → 21M406+34#1114#1080
21M → 35K201+19#1080#1061
35K → 23M314+27#1061#1034
23M → 24M275+22#1034#1012
24M → 40K256+19#1012#993
40K → 25.2M76+1#993#992
25.2M → Finish329+23#992#969
TOTALS91495+819
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing